"You will probably not benefit by bringing up salary or benefits before the interviewer does, so don't." While I do not disagree, why is this? You, the one loo

"You will probably not benefit by bringing up salary or benefits before the interviewer does, so don't." While I do not disagree, why is this? You, the one looking for a job, are the seller. The seller almost always makes the first offer. It seems a lot of time could be saved if expectations were put right out there during the initial sales pitch.